fix(product-suite): allow braces in business prompts

tests/test_product_suite.py

@@ -294,6 +294,21 @@ class ProductSuiteTests(unittest.TestCase):
         self.assertIn("商品ID：未绑定商品", rendered)
         self.assertIn("参考图序号：2", rendered)
 
+    def test_business_prompt_braces_are_not_reparsed_as_template_variables(self):
+        template = prompts.load_default_product_suite_prompt()
+        business_prompt = "适合 {儿童} 使用，支持 {日常通勤} 场景"
+
+        rendered = product_suite.build_suite_prompt(
+            business_prompt,
+            product_suite.default_suite_settings(),
+            "白底图",
+            "51100639510",
+            template_text=template,
+        )
+
+        self.assertIn(business_prompt, rendered)
+        self.assertEqual([], product_suite.product_suite_prompt_errors(template))
+
 
 if __name__ == "__main__":
     unittest.main()

tests/test_product_suite_gui.py

@@ -3501,6 +3501,70 @@ class ProductSuiteGuiTests(TempDirMixin, unittest.TestCase):
 
         self.assert_removed(temp_dir)
 
+    def test_generation_accepts_business_prompt_with_braces(self):
+        with self.make_temp_dir() as temp_dir:
+            config = self._config(temp_dir)
+            project, _assets = self._create_project_with_assets(temp_dir, config, 1)
+            tab = ProductSuiteTab(config=config, db_path=config["db_path"])
+            self.addCleanup(tab.close)
+            state = tab._displayed_state
+            state.account_alias = "alias-a"
+            state.item_id = project.item_id
+            state.project_id = project.id
+            state.project_binding_state = project.binding_state
+            state.prompt = "适合 {儿童} 使用"
+            tab._load_state(state)
+            captured = []
+            tab._start_generation_price_confirmation = (
+                lambda _state, _assets, specs, *_args: captured.extend(specs) or True
+            )
+
+            self.assertTrue(tab.start_generation(state))
+
+            self.assertTrue(captured)
+            self.assertIn("适合 {儿童} 使用", captured[0]["prompt"])
+            self.assertEqual([], image_studio.list_jobs(project.id, path=config["db_path"]))
+
+        self.assert_removed(temp_dir)
+
+    def test_generation_renders_error_as_chinese_feedback_without_side_effects(self):
+        with self.make_temp_dir() as temp_dir:
+            config = self._config(temp_dir)
+            project, _assets = self._create_project_with_assets(temp_dir, config, 1)
+            tab = ProductSuiteTab(config=config, db_path=config["db_path"])
+            self.addCleanup(tab.close)
+            state = tab._displayed_state
+            state.account_alias = "alias-a"
+            state.item_id = project.item_id
+            state.project_id = project.id
+            state.project_binding_state = project.binding_state
+            state.prompt = "正常商品卖点"
+            tab._load_state(state)
+            messages = []
+            statuses = []
+            tab._message = lambda title, message, **_kwargs: messages.append((title, message))
+            tab._status = lambda message, level=None: statuses.append((message, level))
+
+            with mock.patch(
+                "app.gui.tabs.product_suite.product_suite.build_job_specs",
+                side_effect=product_suite.ProductSuitePromptError("内部渲染失败"),
+            ), mock.patch.object(tab, "_start_generation_price_confirmation") as confirmation:
+                self.assertFalse(tab.start_generation(state))
+
+            self.assertEqual(
+                [("无法生成商品套图", "提示词渲染失败，请检查提示词设置中的变量格式。")],
+                messages,
+            )
+            self.assertEqual(
+                [("提示词渲染失败，请检查提示词设置中的变量格式。", "danger")],
+                statuses,
+            )
+            confirmation.assert_not_called()
+            self.assertIsNone(state.worker)
+            self.assertEqual([], image_studio.list_jobs(project.id, path=config["db_path"]))
+
+        self.assert_removed(temp_dir)
+
     def test_generation_confirmation_uses_planned_specs_for_cached_image_price(self):
         with self.make_temp_dir() as temp_dir:
             config = self._config(temp_dir)